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WO2011076165A1 - Support d'élément de friction - Google Patents

Support d'élément de friction Download PDF

Info

Publication number
WO2011076165A1
WO2011076165A1 PCT/DE2010/001410 DE2010001410W WO2011076165A1 WO 2011076165 A1 WO2011076165 A1 WO 2011076165A1 DE 2010001410 W DE2010001410 W DE 2010001410W WO 2011076165 A1 WO2011076165 A1 WO 2011076165A1
Authority
WO
WIPO (PCT)
Prior art keywords
hub
bottom portion
friction
carrier
radial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2010/001410
Other languages
German (de)
English (en)
Inventor
Oliver Nöhl
Michael Schlosser
Wilfried Schwenk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE112010004902T priority Critical patent/DE112010004902A5/de
Priority to CN2010800586465A priority patent/CN102686899A/zh
Publication of WO2011076165A1 publication Critical patent/WO2011076165A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-lamellae
    • F16D13/68—Attachments of plates or lamellae to their supports
    • F16D13/683—Attachments of plates or lamellae to their supports for clutches with multiple lamellae
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/18—Making uncoated products by impact extrusion
    • B21C23/183—Making uncoated products by impact extrusion by forward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/30—Making machine elements wheels; discs with gear-teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly

Definitions

  • a wet clutch as used for example in a drive train of a motor vehicle, usually comprises a plurality of friction discs and a plurality of blades, which are arranged alternately in a stack. Slats and friction discs have in radially opposite directions gears for engagement in mostly cup-shaped transmission carrier.
  • the lamellae carry an external toothing, which engages in a cup-shaped plate carrier, and the friction discs have an internal toothing, which engages in a likewise pot-shaped friction disc carrier.
  • the disk carrier and the friction disk carrier usually each comprise a hub with a further toothing, which engages torque-locking in a drive or output shaft of the drive train. If the stack of friction plates and fins compressed in the axial direction, so a torque between the hubs or shafts can be transmitted.
  • DE 103 09 566 A1 describes a multi-plate clutch with such a two-part constructed plate carrier.
  • a bottom portion of the plate carrier is connected along an annular weld with a hub which carries a hub toothing.
  • a receiving area for slats of the shape of a cylinder jacket is pluggable connected to the bottom plate.
  • Plate carrier with integrally formed hub comprises, to which a sheet metal formed, toothed component is welded.
  • the invention has for its object to provide a friction element carrier for a wet clutch, which can be produced with reduced production costs.
  • a friction member carrier for a wet clutch comprises a rotation axis from which a bottom portion extends in the radial direction, the bottom portion being bounded by an inner circumference and an outer circumference; and a hub portion extending axially from the inner circumference of the bottom portion, the hub portion having radial teeth for transmitting torque around the rotation axis, the bottom portion and the hub portion being integrally formed from a sheet.
  • the friction member carrier may include a friction member receiving portion extending radially from the outer circumference of the bottom portion, the receiving portion being integrally formed with the bottom portion and the boss portion.
  • the friction element carrier can be configured as a friction disk carrier for friction disks or as a disk carrier for clutch disks.
  • the receiving region for the clutch disks and the hub region preferably extend in different axial direction.
  • the hub portion and the friction disk receiving area preferably extend in the same axial direction.
  • the entire friction element carrier can be made in one piece, which is a
  • the receiving region for the friction elements can be detachably connected to the bottom portion and the hub region, in particular by means of a plug connection. So a welded joint can be avoided If there is a requirement for a separately prepared receiving area for the slats or friction linings.
  • the hub portion may be on a side remote from the bottom portion with a
  • Be closed hub base cup-shaped and the hub bottom may have a coaxial receptacle for a centering tip.
  • a stability of the hub region can be increased and, at the same time, an aid for the manufacture or assembly of the friction element carrier can be provided.
  • the friction element carrier can comprise a sleeve or a ring with a radial sealing surface, wherein the sleeve is fastened to the hub region between the toothing and the base plate.
  • the radial sealing surface can be designed to seal a wet space to a dry space of a coupling comprising the friction element carrier.
  • the sleeve can be made of a material with different properties than the sheet of the bottom portion and processed differently. As a result, the radial sealing surface can be provided in high quality at relatively low production costs.
  • a method for manufacturing a friction member carrier for a wet clutch includes steps of chipless forming a sheet into a one-piece friction member carrier having a rotation axis from which a bottom portion extends in the radial direction, the bottom portion being bounded by an inner circumference and an outer circumference, and a boss portion extending from the inner circumference of the bottom portion in the axial direction; and the non-cutting application of a radial toothing for transmitting torque about the axis of rotation to the hub region.
  • the friction element carrier described above can be produced without cutting and in one piece from a metal sheet.
  • production costs can be kept low.
  • the method may include forming a clutch plate receiving area extending from the outer circumference of the bottom portion in the axial direction.
  • the friction element carrier can thereby be embodied completely in one piece, which can result in cost advantages in the production of the friction element carrier.
  • the receiving area in another Step formed separately and detachable, for example pluggable, be connected to the bottom section.
  • the step of chipless application of the gearing may comprise one of rolling and broaching.
  • the hub region can have the hub bottom described above with a centering tip, as a result of which the manufacture of the toothing, in particular by rolling, can be facilitated.
  • the teeth can be produced without cutting, which can cause cost advantages in the production.
  • the method may further comprise coating, for example by nitrocarburizing, at least the clutch disc receiving area to reduce wear.
  • Process step are attached to the hub area between the radial toothing and the bottom plate. This step preferably takes place after a possible coating of parts of the friction element carrier.
  • FIG. 1 shows a section through an outer friction element carrier with a blade.
  • FIG. 2 shows a detail of the outer friction element carrier from FIG. 1;
  • FIG. 4 is a schematic flow diagram of a method for producing the friction element carriers of FIGS. 1 to 3.
  • FIG. 1 shows a plate carrier 100.
  • the plate carrier 100 comprises a rotation axis 105, a bottom section 110, a hub section 115 and a receiving region 120 for clutch plates.
  • the bottom portion 110, the hub portion 1 5 and the receiving portion 120 are integrally formed from a sheet.
  • An illustrative clutch plate 125 is not part of the plate carrier 100th
  • the hub portion 115 is closed on one side with a hub bottom 130 on the left, so that the hub portion 115 has a total pot shape.
  • the hub bottom 130 carries a recess 105 coaxial with the axis of rotation for receiving a centering tip.
  • the hub portion 115 has a toothing 135 which extends in the radial direction from the axis of rotation 105.
  • the toothing 135 is configured for transmitting torque from the disk carrier 100, for example to an output shaft of an internal combustion engine or a drive shaft of a transmission.
  • a sleeve (or a ring) 140 is applied to the hub portion 115, which provides a sealing surface in the radial direction with respect to the axis of rotation 105.
  • the radial surface of the sleeve 140 is designed for contact with a sealing lip of a shaft sealing ring.
  • the sleeve 140 should be very hard (minimum 58 HRC) in the region of its radial surface and have a low roughness (Ra 0.2-0.3).
  • the sleeve 140 may for example be drawn without cutting and hardened; it can be fastened to the hub portion 115, for example by means of shrinking or pressing.
  • the bottom portion 110 has in the radial direction a number of bends, which serve primarily to increase the stability of the bottom portion 110. In other embodiments, these bends may be different or omitted. In its outer region, the bottom portion 110 merges into the receiving area 120 for clutch plates 125. In a further, not shown embodiment of the receiving area 120 is carried out separately from the bottom portion 110 and connected by a toothing torque-locking manner with the bottom portion 110. This toothing can in particular form a releasable plug connection.
  • the lamellar toothing 145 points radially inwards in the direction of the axis of rotation 105 and is in engagement with the correspondingly shaped coupling plate 125.
  • the coupling plate 125 is displaceable along the axis of rotation 105 on the lamellar teeth. 145 arranged.
  • a circumferential groove 150 in the lamellae 145 serves to receive a securing ring, which secures the clutch plate 125 from falling out of the plate carrier 100.
  • the receiving region 120 for clutch plates 125 in the region of the lamellar toothing 145 can be coated, for example in the form of a nitrocarburizing. This coating can also be applied to other areas of the disk carrier 100 and is preferably applied before the sleeve 140 is applied to the disk carrier 100, so that the surface treatment does not change the radial sealing surface of the sleeve 140.
  • Fig. 2 shows a section through a detail of the disk carrier 100 of FIG. 1.
  • a part of the clutch plate 125 is shown.
  • a number of openings 210 which serve primarily the passage of a liquid, such as oil, which characterizes the wet area of a coupling with the plate carrier 100.
  • the outer toothing 135 is applied to the hub portion 115 without cutting.
  • the toothing 135 may be embodied, for example, in the dimension DIN 5480-W40x1x30x38 8f.
  • One way of applying the teeth 135 is in a rolling, wherein the coaxial with the axis of rotation 105 recess in the hub bottom 130 of the hub portion 115 may be helpful for centering.
  • the toothing 135 may be axially flow-pressed, for example. In this case, the work hardening of the material (about 10 to 30%) can be utilized to transmit the torque. Both the rolling and the axial extrusion require for the introduction of the teeth 135 a very precise outer diameter of the hub portion 115.
  • the outer diameter of the hub portion 115 must be accurate to about ⁇ 30 pm. Also, the inner diameter of the hub portion 115, which is used for an abutment when applying the teeth 135, must be within a narrow tolerance, in the above example at about ⁇ 10 pm.
  • the plate carrier 100 can be formed by means of a transfer press from a metal sheet. It is usually not possible to form both the outer diameter, as well as the inner diameter of the hub portion 115 in the required accuracy. There- It may be necessary to rework ("overwind") one of the diameters of the hub portion 110 before applying the toothing 135 using a turning tool.
  • the hub portion 115 may be made of a hardenable metal, such as 16MnCr5, so that this region can be inductively hardened.
  • FIG. 3 shows a friction disk carrier 300.
  • the friction disk carrier 300 comprises a
  • An illustrative friction disk 325 is not part of the friction disk carrier 300.
  • the hub portion 315 has a radially inwardly facing toothing 335 to
  • the receiving area 320 for friction disks 325 has a radially outwardly facing friction disk toothing 345.
  • the friction disk carrier 300 is constructed analogously to the disk carrier 100 of FIGS. 1 and 2, with the difference that the directions of the gearings are reversed both internally and externally, and in that the hub portion 315 is in the same axial direction as the friction disk receiving region 320 extends, and not, as in Figures 1 and 2, in opposite directions. With respect to the constructive elements and configurations of the friction disk carrier 300, therefore, the above with respect to the disk carrier 100 written applies mutatis mutandis.
  • a broaching operation can be used in an alternative procedure.
  • material of the hub portion 315 is removed by means of a broach in a movement substantially parallel to the axis of rotation 305.
  • the friction disk carrier 300 may be part of a wet clutch with the disk carrier 100 and a number of clutch plates 125 and friction plates 325.
  • clutch plates 125 and friction plates 325 are stacked alternately along the mutually aligned axes of rotation 105 and 305.
  • the plate carrier 100 transmits a torque along the axis of rotation 105 by means of the lamellae 145 on the clutch plate 125.
  • FIG. 4 shows a schematic flow diagram of a method for producing the friction element carriers 100 or 300 of FIGS. 1 to 3.
  • the method 400 is in the start state.
  • a sheet metal for example, by step pressing without cutting into the plate carrier 100 of FIGS. 1 and 2 and the friction disk carrier 300 of FIG. 3, respectively.
  • a step 430 the toothing 135 or 325 is rolled or cleared onto the hub section 115 or 315.
  • step 440 at least a portion of the disk carrier 100 or the friction disk carrier 300 is nitrocarburized to increase the wear resistance.
  • the sleeve 140 can be pressed or shrunk onto the hub portion 115. Other connection methods are also possible.
  • the method 400 ends in a final state 460.
  • the friction element carrier according to the invention and the method 400 according to the invention can be implemented both for plate carrier 100 and for friction lining carrier 300; a radial direction of the respective teeth 135, 145, 335, 345 is not defined by the invention and may, depending on the requirements in each case inward or outward. LIST OF REFERENCE NUMBERS

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un support d'élément de friction pour un embrayage à bain d'huile, ledit support comprenant un axe de rotation (105, 305), depuis lequel s'étend une section de fond (110, 310) dans la direction radiale, la section de fond étant limitée par une circonférence intérieure et une circonférence extérieure. Le support d'élément de friction comprend également une zone de moyeu (115, 315) qui s'étend depuis la circonférence intérieure de la section de fond dans la direction axiale, la zone de moyeu portant une denture radiale (135, 335) autour de l'axe de rotation pour la transmission d'un couple de rotation. La section de fond et la section de moyeu sont façonnées sans enlèvement de copeaux à partir d'une tôle monobloc.
PCT/DE2010/001410 2009-12-21 2010-12-02 Support d'élément de friction Ceased WO2011076165A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112010004902T DE112010004902A5 (de) 2009-12-21 2010-12-02 Reibelementträger
CN2010800586465A CN102686899A (zh) 2009-12-21 2010-12-02 摩擦部件支架

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009059743 2009-12-21
DE102009059743.3 2009-12-21

Publications (1)

Publication Number Publication Date
WO2011076165A1 true WO2011076165A1 (fr) 2011-06-30

Family

ID=43722913

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/001410 Ceased WO2011076165A1 (fr) 2009-12-21 2010-12-02 Support d'élément de friction

Country Status (3)

Country Link
CN (1) CN102686899A (fr)
DE (2) DE102010053251A1 (fr)
WO (1) WO2011076165A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013224517A1 (de) * 2012-12-20 2014-06-26 Schaeffler Technologies Gmbh & Co. Kg Kupplung
DE102014018980A1 (de) * 2014-12-18 2016-06-23 Borgwarner Inc. Lamellenträger und Lamellenkupplung oder -bremse mit einem solchen Lamellenträger
DE102015222461A1 (de) * 2015-11-13 2017-05-18 Volkswagen Aktiengesellschaft Schaltbare Mehrfach-Koppeleinheit
CN106895088B (zh) * 2015-11-20 2020-03-17 舍弗勒技术股份两合公司 多盘式离合器
DE102015225034A1 (de) * 2015-12-14 2017-06-14 Schaeffler Technologies AG & Co. KG Lamellenträgerverbindung
FR3081952B1 (fr) * 2018-06-01 2020-06-26 Valeo Embrayages Porte-disque assemble et mecanisme d'embrayage humide comprenant ce porte-disque assemble

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7145091U (de) * 1900-01-01 Automobiles Peugeot Kupplungs oder Bremstrommel
DE19713304A1 (de) * 1997-03-29 1998-10-01 Schaeffler Waelzlager Ohg Spanlos hergestellter Synchronring
DE10309566A1 (de) 2002-11-19 2004-06-17 Volkswagen Ag Kfz-Getriebe
DE102005027610A1 (de) 2004-06-21 2005-12-29 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Drehmomentübertragungseinrichtung und Antriebsstrang mit dieser
WO2006093396A1 (fr) * 2005-03-04 2006-09-08 Jinmyung Frictech Co., Ltd Embrayage a friction presentant des lamelles multiples de friction, carter d’embrayage, procede de fabrication du carter d’embrayage et systeme pour l’embrayage a friction presentant des lamelles multiples de friction
EP1783388A2 (fr) * 2005-11-04 2007-05-09 LuK Lamellen und Kupplungsbau Beteiligungs KG Dispositif d'embrayage à disques multiples
EP1826429A1 (fr) * 2006-02-22 2007-08-29 LuK Lamellen und Kupplungsbau Beteiligungs KG Bloc d'embrayage doté d'un boîtier d'embrayage à pompes à huile et d'un support embrayé sur la circonférence extérieure d'un paquet d'embrayage
EP1914434A2 (fr) * 2006-10-21 2008-04-23 LuK Lamellen und Kupplungsbau Beteiligungs KG Dispositif de transmission de couple
EP2019224A1 (fr) * 2007-07-26 2009-01-28 HOERBIGER Antriebstechnik GmbH Support à lamelles d'un embrayage à friction
DE102008000431A1 (de) * 2008-02-28 2009-09-03 Zf Friedrichshafen Ag Bauteil von Innen- und Außenverzahnung sowie Verfahren zur Herstellung des Bauteils

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7145091U (de) * 1900-01-01 Automobiles Peugeot Kupplungs oder Bremstrommel
DE19713304A1 (de) * 1997-03-29 1998-10-01 Schaeffler Waelzlager Ohg Spanlos hergestellter Synchronring
DE10309566A1 (de) 2002-11-19 2004-06-17 Volkswagen Ag Kfz-Getriebe
DE102005027610A1 (de) 2004-06-21 2005-12-29 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Drehmomentübertragungseinrichtung und Antriebsstrang mit dieser
WO2006093396A1 (fr) * 2005-03-04 2006-09-08 Jinmyung Frictech Co., Ltd Embrayage a friction presentant des lamelles multiples de friction, carter d’embrayage, procede de fabrication du carter d’embrayage et systeme pour l’embrayage a friction presentant des lamelles multiples de friction
EP1783388A2 (fr) * 2005-11-04 2007-05-09 LuK Lamellen und Kupplungsbau Beteiligungs KG Dispositif d'embrayage à disques multiples
EP1826429A1 (fr) * 2006-02-22 2007-08-29 LuK Lamellen und Kupplungsbau Beteiligungs KG Bloc d'embrayage doté d'un boîtier d'embrayage à pompes à huile et d'un support embrayé sur la circonférence extérieure d'un paquet d'embrayage
EP1914434A2 (fr) * 2006-10-21 2008-04-23 LuK Lamellen und Kupplungsbau Beteiligungs KG Dispositif de transmission de couple
EP2019224A1 (fr) * 2007-07-26 2009-01-28 HOERBIGER Antriebstechnik GmbH Support à lamelles d'un embrayage à friction
DE102008000431A1 (de) * 2008-02-28 2009-09-03 Zf Friedrichshafen Ag Bauteil von Innen- und Außenverzahnung sowie Verfahren zur Herstellung des Bauteils

Also Published As

Publication number Publication date
DE102010053251A1 (de) 2011-06-22
DE112010004902A5 (de) 2012-10-25
CN102686899A (zh) 2012-09-19

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